tree a4338e1c0ef1aa8040933927cfec85f74a2225e4
parent d1428e274881d641551dcf6968ad43078bbec7bc
author Tao Bao <tbao@google.com> 1538695533 -0700
committer Tao Bao <tbao@google.com> 1538697909 -0700

releasetools: Set default stdout and stderr in common.Run().

stdout and stderr will default to subprocess.PIPE and subprocess.STDOUT
respectively (which is the expected behavior from most of the existing
callers), unless caller specifies any of them.

Test: `m dist`
Test: python -m unittest \
          test_common \
          test_add_img_to_target_files \
          test_ota_from_target_files \
          test_validate_target_files
Change-Id: I43b3f08edfa8a9bcfe54baf9848dc705c048e327